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Date: Mon, 28 Dec 2020 13:48:07 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Robert Buhren <robert.buhren@...t.tu-berlin.de>, Felicitas Hetzelt <file@...t.tu-berlin.de>, Dan Carpenter <dan.carpenter@...cle.com>, "Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.10 489/717] virtio_ring: Cut and paste bugs in vring_create_virtqueue_packed() From: Dan Carpenter <dan.carpenter@...cle.com> [ Upstream commit ae93d8ea0fa701e84ab9df0db9fb60ec6c80d7b8 ] There is a copy and paste bug in the error handling of this code and it uses "ring_dma_addr" three times instead of "device_event_dma_addr" and "driver_event_dma_addr". Fixes: 1ce9e6055fa0 (" virtio_ring: introduce packed ring support") Reported-by: Robert Buhren <robert.buhren@...t.tu-berlin.de> Reported-by: Felicitas Hetzelt <file@...t.tu-berlin.de> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com> Link: https://lore.kernel.org/r/X8pGRJlEzyn+04u2@mwanda Signed-off-by: Michael S. Tsirkin <mst@...hat.com> Acked-by: Jason Wang <jasowang@...hat.com> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/virtio/virtio_ring.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index becc776979602..924b6b85376bd 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -1676,9 +1676,9 @@ err_desc_extra: err_desc_state: kfree(vq); err_vq: - vring_free_queue(vdev, event_size_in_bytes, device, ring_dma_addr); + vring_free_queue(vdev, event_size_in_bytes, device, device_event_dma_addr); err_device: - vring_free_queue(vdev, event_size_in_bytes, driver, ring_dma_addr); + vring_free_queue(vdev, event_size_in_bytes, driver, driver_event_dma_addr); err_driver: vring_free_queue(vdev, ring_size_in_bytes, ring, ring_dma_addr); err_ring: -- 2.27.0
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